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Experimental Study on Self-Healing Capability of Cracked Ultra-High-Performance Hybrid-Fiber-Reinforced Cementitious Composites
| Content Provider | Semantic Scholar |
|---|---|
| Author | Kwon, Sukmin Nishiwaki, Tomoya Kikuta, Takatsune Mihashi, Hirozo |
| Copyright Year | 2013 |
| Abstract | High-performance fiber-reinforced cementitious composites demonstrate very good selfhealing capability after immersion in water due to the closely spaced multiple cracks. To investigate the self-healing capability of ultra-high-performance hybrid-fiber-reinforced cementitious composite (UHP-HFRCC), some experiments were carried out that focused on the recovery of the air permeability coefficient and chemical precipitation on the crack surface. After cracks were introduced, the specimens were placed under uniaxial tensile load, inducing up to 0.2% strain; these cracked specimens were then immersed in water to initiate self-healing. The self-healing performance of the specimens was investigated by means of microscopic observation and an air permeability test. As a result, UHP-HFRCC was confirmed to have crystallization products within its cracks and its air permeability coefficient was recovered significantly, which means UHP-HFRCC has great potential for self-healing. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.claisse.info/2013%20papers/data/e271.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |